\Header{gamma.dispersion}{Calculate the MLE of the Gamma Dispersion Parameter in a GLM Fit}
\keyword{models}{gamma.dispersion}
\begin{Description}\relax
A front end to \code{gamma.shape} for convenience.  Finds the
reciprocal of the estimate of the shape parameter only.\end{Description}
\begin{Usage}
\begin{verbatim}
gamma.dispersion(object, ...)
\end{verbatim}
\end{Usage}
\begin{Arguments}
\begin{ldescription}
\item[\code{object}] Fitted model object giving the gamma fit.

\item[\code{...}] Additional arguments passed on to \code{gamma.shape}.

\end{ldescription}
\end{Arguments}
\begin{Value}
The MLE of the dispersion parameter of the gamma distribution.\end{Value}
\begin{References}\relax
Venables, W. N. and Ripley, B. D. (2002)
\emph{Modern Applied Statistics with S.} Fourth edition.  Springer.\end{References}
\begin{SeeAlso}\relax
\code{\Link{gamma.shape.glm}}, including the example on its help page.\end{SeeAlso}

